作者: Sotoo Kubo , Yoshio Goto , Takashi Suzuki , Motohiko
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摘要: A water treating agent which comprises a specific polymer containing structural unit that is derived from monomer having an ethylenically unsaturated bond and has one or more carboxyl radicals, at least part of said radicals being modified, another comprises, in addition to polymer, compounds selected the group consisting inorganic phosphates, phosphonic acids, organic phosphoric acid esters polyvalent metal salts, capable preventing formation corrosion, scale contamination on surface contact with water.